.haohang{width: 1000px;height: 30px;margin: auto;text-align: center;line-height: 30px; background-image: url(../img/未标题-2.png);}
div a{width: 90px;height: 30px;float: left;color: #FFFFFF;}
div a:hover{width: 90px;height: 30px;background: brown;float: left;color: #DC143C;}
